A multiple-ring gage used for checking diameters of twist drills and drill rods. It consists of a thin rectangular steel plate with a series of holes corresponding to the diameters of number-size twist drills. Decimal equivalents and size are stamped adjacent to each hole.
Classification: Other measuring or checking instruments, appliances and machines, nesoi in chapter 90
NSN 6620-00-389-8442
NSN 4140-01-517-3106
NSN 6620-01-417-3314
NSN 5855-01-633-7796
NSN 5985-01-643-8624
NSN 6150-01-461-3549
NSN 6145-01-549-6136
NSN 4140-01-252-8902
NSN 5915-00-929-0847
NSN 5965-01-607-5753
NSN 5835-01-090-0784
NSN 5990-01-297-9967